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tile_map_layer.cpp
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/**************************************************************************/
/* tile_map_layer.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "tile_map_layer.h"
#include "core/core_string_names.h"
#include "core/io/marshalls.h"
#include "scene/gui/control.h"
#include "scene/resources/world_2d.h"
#include "servers/navigation_server_2d.h"
#ifdef DEBUG_ENABLED
#include "servers/navigation_server_3d.h"
#endif // DEBUG_ENABLED
#ifdef DEBUG_ENABLED
/////////////////////////////// Debug //////////////////////////////////////////
constexpr int TILE_MAP_DEBUG_QUADRANT_SIZE = 16;
Vector2i TileMapLayer::_coords_to_debug_quadrant_coords(const Vector2i &p_coords) const {
return Vector2i(
p_coords.x > 0 ? p_coords.x / TILE_MAP_DEBUG_QUADRANT_SIZE : (p_coords.x - (TILE_MAP_DEBUG_QUADRANT_SIZE - 1)) / TILE_MAP_DEBUG_QUADRANT_SIZE,
p_coords.y > 0 ? p_coords.y / TILE_MAP_DEBUG_QUADRANT_SIZE : (p_coords.y - (TILE_MAP_DEBUG_QUADRANT_SIZE - 1)) / TILE_MAP_DEBUG_QUADRANT_SIZE);
}
void TileMapLayer::_debug_update() {
const Ref<TileSet> &tile_set = get_effective_tile_set();
RenderingServer *rs = RenderingServer::get_singleton();
// Check if we should cleanup everything.
bool forced_cleanup = in_destructor || !enabled || !tile_set.is_valid() || !is_visible_in_tree();
if (forced_cleanup) {
for (KeyValue<Vector2i, Ref<DebugQuadrant>> &kv : debug_quadrant_map) {
// Free the quadrant.
Ref<DebugQuadrant> &debug_quadrant = kv.value;
if (debug_quadrant->canvas_item.is_valid()) {
rs->free(debug_quadrant->canvas_item);
}
}
debug_quadrant_map.clear();
_debug_was_cleaned_up = true;
return;
}
// Check if anything is dirty, in such a case, redraw debug.
bool anything_changed = false;
for (int i = 0; i < DIRTY_FLAGS_MAX; i++) {
if (dirty.flags[i]) {
anything_changed = true;
break;
}
}
// List all debug quadrants to update, creating new ones if needed.
SelfList<DebugQuadrant>::List dirty_debug_quadrant_list;
if (_debug_was_cleaned_up || anything_changed) {
// Update all cells.
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
CellData &cell_data = kv.value;
_debug_quadrants_update_cell(cell_data, dirty_debug_quadrant_list);
}
} else {
// Update dirty cells.
for (SelfList<CellData> *cell_data_list_element = dirty.cell_list.first(); cell_data_list_element; cell_data_list_element = cell_data_list_element->next()) {
CellData &cell_data = *cell_data_list_element->self();
_debug_quadrants_update_cell(cell_data, dirty_debug_quadrant_list);
}
}
// Update those quadrants.
for (SelfList<DebugQuadrant> *quadrant_list_element = dirty_debug_quadrant_list.first(); quadrant_list_element;) {
SelfList<DebugQuadrant> *next_quadrant_list_element = quadrant_list_element->next(); // "Hack" to clear the list while iterating.
DebugQuadrant &debug_quadrant = *quadrant_list_element->self();
// Check if the quadrant has a tile.
bool has_a_tile = false;
RID &ci = debug_quadrant.canvas_item;
for (SelfList<CellData> *cell_data_list_element = debug_quadrant.cells.first(); cell_data_list_element; cell_data_list_element = cell_data_list_element->next()) {
CellData &cell_data = *cell_data_list_element->self();
if (cell_data.cell.source_id != TileSet::INVALID_SOURCE) {
has_a_tile = true;
break;
}
}
if (has_a_tile) {
// Update the quadrant.
if (ci.is_valid()) {
rs->canvas_item_clear(ci);
} else {
ci = rs->canvas_item_create();
rs->canvas_item_set_z_index(ci, RS::CANVAS_ITEM_Z_MAX - 1);
rs->canvas_item_set_parent(ci, get_canvas_item());
}
const Vector2 quadrant_pos = tile_set->map_to_local(debug_quadrant.quadrant_coords * TILE_MAP_DEBUG_QUADRANT_SIZE);
Transform2D xform(0, quadrant_pos);
rs->canvas_item_set_transform(ci, xform);
for (SelfList<CellData> *cell_data_list_element = debug_quadrant.cells.first(); cell_data_list_element; cell_data_list_element = cell_data_list_element->next()) {
CellData &cell_data = *cell_data_list_element->self();
if (cell_data.cell.source_id != TileSet::INVALID_SOURCE) {
_rendering_draw_cell_debug(ci, quadrant_pos, cell_data);
_physics_draw_cell_debug(ci, quadrant_pos, cell_data);
_navigation_draw_cell_debug(ci, quadrant_pos, cell_data);
_scenes_draw_cell_debug(ci, quadrant_pos, cell_data);
}
}
} else {
// Free the quadrant.
if (ci.is_valid()) {
rs->free(ci);
}
quadrant_list_element->remove_from_list();
debug_quadrant_map.erase(debug_quadrant.quadrant_coords);
}
quadrant_list_element = next_quadrant_list_element;
}
dirty_debug_quadrant_list.clear();
_debug_was_cleaned_up = false;
}
void TileMapLayer::_debug_quadrants_update_cell(CellData &r_cell_data, SelfList<DebugQuadrant>::List &r_dirty_debug_quadrant_list) {
Vector2i quadrant_coords = _coords_to_debug_quadrant_coords(r_cell_data.coords);
if (!debug_quadrant_map.has(quadrant_coords)) {
// Create a new quadrant and add it to the quadrant map.
Ref<DebugQuadrant> new_quadrant;
new_quadrant.instantiate();
new_quadrant->quadrant_coords = quadrant_coords;
debug_quadrant_map[quadrant_coords] = new_quadrant;
}
// Add the cell to its quadrant, if it is not already in there.
Ref<DebugQuadrant> &debug_quadrant = debug_quadrant_map[quadrant_coords];
if (!r_cell_data.debug_quadrant_list_element.in_list()) {
debug_quadrant->cells.add(&r_cell_data.debug_quadrant_list_element);
}
// Mark the quadrant as dirty.
if (!debug_quadrant->dirty_quadrant_list_element.in_list()) {
r_dirty_debug_quadrant_list.add(&debug_quadrant->dirty_quadrant_list_element);
}
}
#endif // DEBUG_ENABLED
/////////////////////////////// Rendering //////////////////////////////////////
void TileMapLayer::_rendering_update() {
const Ref<TileSet> &tile_set = get_effective_tile_set();
RenderingServer *rs = RenderingServer::get_singleton();
// Check if we should cleanup everything.
bool forced_cleanup = in_destructor || !enabled || !tile_set.is_valid() || !is_visible_in_tree();
// ----------- Layer level processing -----------
if (!forced_cleanup) {
// Modulate the layer.
Color layer_modulate = get_modulate();
#ifdef TOOLS_ENABLED
const TileMapLayerGroup *tile_map_layer_group = Object::cast_to<TileMapLayerGroup>(get_parent());
if (tile_map_layer_group) {
const Vector<StringName> selected_layers = tile_map_layer_group->get_selected_layers();
if (tile_map_layer_group->is_highlighting_selected_layer() && selected_layers.size() == 1 && get_name() != selected_layers[0]) {
TileMapLayer *selected_layer = Object::cast_to<TileMapLayer>(tile_map_layer_group->get_node_or_null(String(selected_layers[0])));
if (selected_layer) {
int z_selected = selected_layer->get_z_index();
int layer_z_index = get_z_index();
if (layer_z_index < z_selected || (layer_z_index == z_selected && get_index() < selected_layer->get_index())) {
layer_modulate = layer_modulate.darkened(0.5);
} else if (layer_z_index > z_selected || (layer_z_index == z_selected && get_index() > selected_layer->get_index())) {
layer_modulate = layer_modulate.darkened(0.5);
layer_modulate.a *= 0.3;
}
}
}
}
#endif // TOOLS_ENABLED
rs->canvas_item_set_modulate(get_canvas_item(), layer_modulate);
}
// ----------- Quadrants processing -----------
// List all rendering quadrants to update, creating new ones if needed.
SelfList<RenderingQuadrant>::List dirty_rendering_quadrant_list;
// Check if anything changed that might change the quadrant shape.
// If so, recreate everything.
bool quandrant_shape_changed = dirty.flags[DIRTY_FLAGS_LAYER_RENDERING_QUADRANT_SIZE] ||
(is_y_sort_enabled() && (dirty.flags[DIRTY_FLAGS_LAYER_Y_SORT_ENABLED] || dirty.flags[DIRTY_FLAGS_LAYER_Y_SORT_ORIGIN] || dirty.flags[DIRTY_FLAGS_LAYER_LOCAL_TRANSFORM] || dirty.flags[DIRTY_FLAGS_LAYER_GROUP_TILE_SET]));
// Free all quadrants.
if (forced_cleanup || quandrant_shape_changed) {
for (const KeyValue<Vector2i, Ref<RenderingQuadrant>> &kv : rendering_quadrant_map) {
for (int i = 0; i < kv.value->canvas_items.size(); i++) {
const RID &ci = kv.value->canvas_items[i];
if (ci.is_valid()) {
rs->free(ci);
}
}
kv.value->cells.clear();
}
rendering_quadrant_map.clear();
_rendering_was_cleaned_up = true;
}
if (!forced_cleanup) {
// List all quadrants to update, recreating them if needed.
if (dirty.flags[DIRTY_FLAGS_LAYER_GROUP_TILE_SET] || dirty.flags[DIRTY_FLAGS_LAYER_IN_TREE] || _rendering_was_cleaned_up) {
// Update all cells.
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
CellData &cell_data = kv.value;
_rendering_quadrants_update_cell(cell_data, dirty_rendering_quadrant_list);
}
} else {
// Update dirty cells.
for (SelfList<CellData> *cell_data_list_element = dirty.cell_list.first(); cell_data_list_element; cell_data_list_element = cell_data_list_element->next()) {
CellData &cell_data = *cell_data_list_element->self();
_rendering_quadrants_update_cell(cell_data, dirty_rendering_quadrant_list);
}
}
// Update all dirty quadrants.
for (SelfList<RenderingQuadrant> *quadrant_list_element = dirty_rendering_quadrant_list.first(); quadrant_list_element;) {
SelfList<RenderingQuadrant> *next_quadrant_list_element = quadrant_list_element->next(); // "Hack" to clear the list while iterating.
const Ref<RenderingQuadrant> &rendering_quadrant = quadrant_list_element->self();
// Check if the quadrant has a tile.
bool has_a_tile = false;
for (SelfList<CellData> *cell_data_list_element = rendering_quadrant->cells.first(); cell_data_list_element; cell_data_list_element = cell_data_list_element->next()) {
CellData &cell_data = *cell_data_list_element->self();
if (cell_data.cell.source_id != TileSet::INVALID_SOURCE) {
has_a_tile = true;
break;
}
}
if (has_a_tile) {
// Process the quadrant.
// First, clear the quadrant's canvas items.
for (RID &ci : rendering_quadrant->canvas_items) {
rs->free(ci);
}
rendering_quadrant->canvas_items.clear();
// Sort the quadrant cells.
if (is_y_sort_enabled()) {
// For compatibility reasons, we use another comparator for Y-sorted layers.
rendering_quadrant->cells.sort_custom<CellDataYSortedComparator>();
} else {
rendering_quadrant->cells.sort();
}
// Those allow to group cell per material or z-index.
Ref<Material> prev_material;
int prev_z_index = 0;
RID prev_ci;
for (SelfList<CellData> *cell_data_quadrant_list_element = rendering_quadrant->cells.first(); cell_data_quadrant_list_element; cell_data_quadrant_list_element = cell_data_quadrant_list_element->next()) {
CellData &cell_data = *cell_data_quadrant_list_element->self();
TileSetAtlasSource *atlas_source = Object::cast_to<TileSetAtlasSource>(*tile_set->get_source(cell_data.cell.source_id));
// Get the tile data.
const TileData *tile_data;
if (cell_data.runtime_tile_data_cache) {
tile_data = cell_data.runtime_tile_data_cache;
} else {
tile_data = atlas_source->get_tile_data(cell_data.cell.get_atlas_coords(), cell_data.cell.alternative_tile);
}
Ref<Material> mat = tile_data->get_material();
int tile_z_index = tile_data->get_z_index();
// Quandrant pos.
// --- CanvasItems ---
RID ci;
// Check if the material or the z_index changed.
if (prev_ci == RID() || prev_material != mat || prev_z_index != tile_z_index) {
// If so, create a new CanvasItem.
ci = rs->canvas_item_create();
if (mat.is_valid()) {
rs->canvas_item_set_material(ci, mat->get_rid());
}
rs->canvas_item_set_parent(ci, get_canvas_item());
rs->canvas_item_set_use_parent_material(ci, !mat.is_valid());
Transform2D xform(0, rendering_quadrant->canvas_items_position);
rs->canvas_item_set_transform(ci, xform);
rs->canvas_item_set_light_mask(ci, get_light_mask());
rs->canvas_item_set_z_as_relative_to_parent(ci, true);
rs->canvas_item_set_z_index(ci, tile_z_index);
rs->canvas_item_set_default_texture_filter(ci, RS::CanvasItemTextureFilter(get_texture_filter_in_tree()));
rs->canvas_item_set_default_texture_repeat(ci, RS::CanvasItemTextureRepeat(get_texture_repeat_in_tree()));
rendering_quadrant->canvas_items.push_back(ci);
prev_ci = ci;
prev_material = mat;
prev_z_index = tile_z_index;
} else {
// Keep the same canvas_item to draw on.
ci = prev_ci;
}
const Vector2 local_tile_pos = tile_set->map_to_local(cell_data.coords);
// Random animation offset.
real_t random_animation_offset = 0.0;
if (atlas_source->get_tile_animation_mode(cell_data.cell.get_atlas_coords()) != TileSetAtlasSource::TILE_ANIMATION_MODE_DEFAULT) {
Array to_hash;
to_hash.push_back(local_tile_pos);
to_hash.push_back(get_instance_id()); // Use instance id as a random hash
random_animation_offset = RandomPCG(to_hash.hash()).randf();
}
// Drawing the tile in the canvas item.
TileMap::draw_tile(ci, local_tile_pos - rendering_quadrant->canvas_items_position, tile_set, cell_data.cell.source_id, cell_data.cell.get_atlas_coords(), cell_data.cell.alternative_tile, -1, get_self_modulate(), tile_data, random_animation_offset);
}
} else {
// Free the quadrant.
for (int i = 0; i < rendering_quadrant->canvas_items.size(); i++) {
const RID &ci = rendering_quadrant->canvas_items[i];
if (ci.is_valid()) {
rs->free(ci);
}
}
rendering_quadrant->cells.clear();
rendering_quadrant_map.erase(rendering_quadrant->quadrant_coords);
}
quadrant_list_element = next_quadrant_list_element;
}
dirty_rendering_quadrant_list.clear();
// Reset the drawing indices.
{
int index = -(int64_t)0x80000000; // Always must be drawn below children.
// Sort the quadrants coords per local coordinates.
RBMap<Vector2, Ref<RenderingQuadrant>, RenderingQuadrant::CoordsWorldComparator> local_to_map;
for (KeyValue<Vector2i, Ref<RenderingQuadrant>> &kv : rendering_quadrant_map) {
Ref<RenderingQuadrant> &rendering_quadrant = kv.value;
local_to_map[tile_set->map_to_local(rendering_quadrant->quadrant_coords)] = rendering_quadrant;
}
// Sort the quadrants.
for (const KeyValue<Vector2, Ref<RenderingQuadrant>> &E : local_to_map) {
for (const RID &ci : E.value->canvas_items) {
RS::get_singleton()->canvas_item_set_draw_index(ci, index++);
}
}
}
// Updates on rendering changes.
if (dirty.flags[DIRTY_FLAGS_LAYER_LIGHT_MASK] ||
dirty.flags[DIRTY_FLAGS_LAYER_TEXTURE_FILTER] ||
dirty.flags[DIRTY_FLAGS_LAYER_TEXTURE_REPEAT] ||
dirty.flags[DIRTY_FLAGS_LAYER_SELF_MODULATE]) {
for (KeyValue<Vector2i, Ref<RenderingQuadrant>> &kv : rendering_quadrant_map) {
Ref<RenderingQuadrant> &rendering_quadrant = kv.value;
for (const RID &ci : rendering_quadrant->canvas_items) {
rs->canvas_item_set_light_mask(ci, get_light_mask());
rs->canvas_item_set_default_texture_filter(ci, RS::CanvasItemTextureFilter(get_texture_filter_in_tree()));
rs->canvas_item_set_default_texture_repeat(ci, RS::CanvasItemTextureRepeat(get_texture_repeat_in_tree()));
rs->canvas_item_set_self_modulate(ci, get_self_modulate());
}
}
}
}
// ----------- Occluders processing -----------
if (forced_cleanup) {
// Clean everything.
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
_rendering_occluders_clear_cell(kv.value);
}
} else {
if (_rendering_was_cleaned_up || dirty.flags[DIRTY_FLAGS_LAYER_GROUP_TILE_SET]) {
// Update all cells.
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
_rendering_occluders_update_cell(kv.value);
}
} else {
// Update dirty cells.
for (SelfList<CellData> *cell_data_list_element = dirty.cell_list.first(); cell_data_list_element; cell_data_list_element = cell_data_list_element->next()) {
CellData &cell_data = *cell_data_list_element->self();
_rendering_occluders_update_cell(cell_data);
}
}
}
// -----------
// Mark the rendering state as up to date.
_rendering_was_cleaned_up = forced_cleanup;
}
void TileMapLayer::_rendering_notification(int p_what) {
RenderingServer *rs = RenderingServer::get_singleton();
const Ref<TileSet> &tile_set = get_effective_tile_set();
if (p_what == NOTIFICATION_TRANSFORM_CHANGED || p_what == NOTIFICATION_ENTER_CANVAS || p_what == NOTIFICATION_VISIBILITY_CHANGED) {
if (tile_set.is_valid()) {
Transform2D tilemap_xform = get_global_transform();
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
const CellData &cell_data = kv.value;
for (const RID &occluder : cell_data.occluders) {
if (occluder.is_null()) {
continue;
}
Transform2D xform(0, tile_set->map_to_local(kv.key));
rs->canvas_light_occluder_attach_to_canvas(occluder, get_canvas());
rs->canvas_light_occluder_set_transform(occluder, tilemap_xform * xform);
}
}
}
}
}
void TileMapLayer::_rendering_quadrants_update_cell(CellData &r_cell_data, SelfList<RenderingQuadrant>::List &r_dirty_rendering_quadrant_list) {
const Ref<TileSet> &tile_set = get_effective_tile_set();
// Check if the cell is valid and retrieve its y_sort_origin.
bool is_valid = false;
int tile_y_sort_origin = 0;
TileSetSource *source;
if (tile_set->has_source(r_cell_data.cell.source_id)) {
source = *tile_set->get_source(r_cell_data.cell.source_id);
TileSetAtlasSource *atlas_source = Object::cast_to<TileSetAtlasSource>(source);
if (atlas_source && atlas_source->has_tile(r_cell_data.cell.get_atlas_coords()) && atlas_source->has_alternative_tile(r_cell_data.cell.get_atlas_coords(), r_cell_data.cell.alternative_tile)) {
is_valid = true;
const TileData *tile_data;
if (r_cell_data.runtime_tile_data_cache) {
tile_data = r_cell_data.runtime_tile_data_cache;
} else {
tile_data = atlas_source->get_tile_data(r_cell_data.cell.get_atlas_coords(), r_cell_data.cell.alternative_tile);
}
tile_y_sort_origin = tile_data->get_y_sort_origin();
}
}
if (is_valid) {
// Get the quadrant coords.
Vector2 canvas_items_position;
Vector2i quadrant_coords;
if (is_y_sort_enabled()) {
canvas_items_position = Vector2(0, tile_set->map_to_local(r_cell_data.coords).y + tile_y_sort_origin + y_sort_origin);
quadrant_coords = canvas_items_position * 100;
} else {
const Vector2i &coords = r_cell_data.coords;
// Rounding down, instead of simply rounding towards zero (truncating).
quadrant_coords = Vector2i(
coords.x > 0 ? coords.x / rendering_quadrant_size : (coords.x - (rendering_quadrant_size - 1)) / rendering_quadrant_size,
coords.y > 0 ? coords.y / rendering_quadrant_size : (coords.y - (rendering_quadrant_size - 1)) / rendering_quadrant_size);
canvas_items_position = tile_set->map_to_local(rendering_quadrant_size * quadrant_coords);
}
Ref<RenderingQuadrant> rendering_quadrant;
if (rendering_quadrant_map.has(quadrant_coords)) {
// Reuse existing rendering quadrant.
rendering_quadrant = rendering_quadrant_map[quadrant_coords];
} else {
// Create a new rendering quadrant.
rendering_quadrant.instantiate();
rendering_quadrant->quadrant_coords = quadrant_coords;
rendering_quadrant->canvas_items_position = canvas_items_position;
rendering_quadrant_map[quadrant_coords] = rendering_quadrant;
}
// Mark the old quadrant as dirty (if it exists).
if (r_cell_data.rendering_quadrant.is_valid()) {
if (!r_cell_data.rendering_quadrant->dirty_quadrant_list_element.in_list()) {
r_dirty_rendering_quadrant_list.add(&r_cell_data.rendering_quadrant->dirty_quadrant_list_element);
}
}
// Remove the cell from that quadrant.
if (r_cell_data.rendering_quadrant_list_element.in_list()) {
r_cell_data.rendering_quadrant_list_element.remove_from_list();
}
// Add the cell to its new quadrant.
r_cell_data.rendering_quadrant = rendering_quadrant;
r_cell_data.rendering_quadrant->cells.add(&r_cell_data.rendering_quadrant_list_element);
// Add the new quadrant to the dirty quadrant list.
if (!rendering_quadrant->dirty_quadrant_list_element.in_list()) {
r_dirty_rendering_quadrant_list.add(&rendering_quadrant->dirty_quadrant_list_element);
}
} else {
Ref<RenderingQuadrant> rendering_quadrant = r_cell_data.rendering_quadrant;
// Remove the cell from its quadrant.
r_cell_data.rendering_quadrant = Ref<RenderingQuadrant>();
if (r_cell_data.rendering_quadrant_list_element.in_list()) {
rendering_quadrant->cells.remove(&r_cell_data.rendering_quadrant_list_element);
}
if (rendering_quadrant.is_valid()) {
// Add the quadrant to the dirty quadrant list.
if (!rendering_quadrant->dirty_quadrant_list_element.in_list()) {
r_dirty_rendering_quadrant_list.add(&rendering_quadrant->dirty_quadrant_list_element);
}
}
}
}
void TileMapLayer::_rendering_occluders_clear_cell(CellData &r_cell_data) {
RenderingServer *rs = RenderingServer::get_singleton();
// Free the occluders.
for (const RID &rid : r_cell_data.occluders) {
rs->free(rid);
}
r_cell_data.occluders.clear();
}
void TileMapLayer::_rendering_occluders_update_cell(CellData &r_cell_data) {
const Ref<TileSet> &tile_set = get_effective_tile_set();
RenderingServer *rs = RenderingServer::get_singleton();
// Free unused occluders then resize the occluders array.
for (uint32_t i = tile_set->get_occlusion_layers_count(); i < r_cell_data.occluders.size(); i++) {
RID occluder_id = r_cell_data.occluders[i];
if (occluder_id.is_valid()) {
rs->free(occluder_id);
}
}
r_cell_data.occluders.resize(tile_set->get_occlusion_layers_count());
TileSetSource *source;
if (tile_set->has_source(r_cell_data.cell.source_id)) {
source = *tile_set->get_source(r_cell_data.cell.source_id);
if (source->has_tile(r_cell_data.cell.get_atlas_coords()) && source->has_alternative_tile(r_cell_data.cell.get_atlas_coords(), r_cell_data.cell.alternative_tile)) {
TileSetAtlasSource *atlas_source = Object::cast_to<TileSetAtlasSource>(source);
if (atlas_source) {
// Get the tile data.
const TileData *tile_data;
if (r_cell_data.runtime_tile_data_cache) {
tile_data = r_cell_data.runtime_tile_data_cache;
} else {
tile_data = atlas_source->get_tile_data(r_cell_data.cell.get_atlas_coords(), r_cell_data.cell.alternative_tile);
}
// Transform flags.
bool flip_h = (r_cell_data.cell.alternative_tile & TileSetAtlasSource::TRANSFORM_FLIP_H);
bool flip_v = (r_cell_data.cell.alternative_tile & TileSetAtlasSource::TRANSFORM_FLIP_V);
bool transpose = (r_cell_data.cell.alternative_tile & TileSetAtlasSource::TRANSFORM_TRANSPOSE);
// Create, update or clear occluders.
for (uint32_t occlusion_layer_index = 0; occlusion_layer_index < r_cell_data.occluders.size(); occlusion_layer_index++) {
Ref<OccluderPolygon2D> occluder_polygon = tile_data->get_occluder(occlusion_layer_index);
RID &occluder = r_cell_data.occluders[occlusion_layer_index];
if (occluder_polygon.is_valid()) {
// Create or update occluder.
Transform2D xform;
xform.set_origin(tile_set->map_to_local(r_cell_data.coords));
if (!occluder.is_valid()) {
occluder = rs->canvas_light_occluder_create();
}
rs->canvas_light_occluder_set_transform(occluder, get_global_transform() * xform);
rs->canvas_light_occluder_set_polygon(occluder, tile_data->get_occluder(occlusion_layer_index, flip_h, flip_v, transpose)->get_rid());
rs->canvas_light_occluder_attach_to_canvas(occluder, get_canvas());
rs->canvas_light_occluder_set_light_mask(occluder, tile_set->get_occlusion_layer_light_mask(occlusion_layer_index));
} else {
// Clear occluder.
if (occluder.is_valid()) {
rs->free(occluder);
occluder = RID();
}
}
}
return;
}
}
}
// If we did not return earlier, clear the cell.
_rendering_occluders_clear_cell(r_cell_data);
}
#ifdef DEBUG_ENABLED
void TileMapLayer::_rendering_draw_cell_debug(const RID &p_canvas_item, const Vector2 &p_quadrant_pos, const CellData &r_cell_data) {
const Ref<TileSet> &tile_set = get_effective_tile_set();
ERR_FAIL_COND(!tile_set.is_valid());
if (!Engine::get_singleton()->is_editor_hint()) {
return;
}
// Draw a placeholder for tiles needing one.
RenderingServer *rs = RenderingServer::get_singleton();
const TileMapCell &c = r_cell_data.cell;
TileSetSource *source;
if (tile_set->has_source(c.source_id)) {
source = *tile_set->get_source(c.source_id);
if (source->has_tile(c.get_atlas_coords()) && source->has_alternative_tile(c.get_atlas_coords(), c.alternative_tile)) {
TileSetAtlasSource *atlas_source = Object::cast_to<TileSetAtlasSource>(source);
if (atlas_source) {
Vector2i grid_size = atlas_source->get_atlas_grid_size();
if (!atlas_source->get_runtime_texture().is_valid() || c.get_atlas_coords().x >= grid_size.x || c.get_atlas_coords().y >= grid_size.y) {
// Generate a random color from the hashed values of the tiles.
Array to_hash;
to_hash.push_back(c.source_id);
to_hash.push_back(c.get_atlas_coords());
to_hash.push_back(c.alternative_tile);
uint32_t hash = RandomPCG(to_hash.hash()).rand();
Color color;
color = color.from_hsv(
(float)((hash >> 24) & 0xFF) / 256.0,
Math::lerp(0.5, 1.0, (float)((hash >> 16) & 0xFF) / 256.0),
Math::lerp(0.5, 1.0, (float)((hash >> 8) & 0xFF) / 256.0),
0.8);
// Draw a placeholder tile.
Transform2D cell_to_quadrant;
cell_to_quadrant.set_origin(tile_set->map_to_local(r_cell_data.coords) - p_quadrant_pos);
rs->canvas_item_add_set_transform(p_canvas_item, cell_to_quadrant);
rs->canvas_item_add_circle(p_canvas_item, Vector2(), MIN(tile_set->get_tile_size().x, tile_set->get_tile_size().y) / 4.0, color);
}
}
}
}
}
#endif // DEBUG_ENABLED
/////////////////////////////// Physics //////////////////////////////////////
void TileMapLayer::_physics_update() {
const Ref<TileSet> &tile_set = get_effective_tile_set();
// Check if we should cleanup everything.
bool forced_cleanup = in_destructor || !enabled || !is_inside_tree() || !tile_set.is_valid();
if (forced_cleanup) {
// Clean everything.
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
_physics_clear_cell(kv.value);
}
} else {
if (_physics_was_cleaned_up || dirty.flags[DIRTY_FLAGS_LAYER_GROUP_TILE_SET] || dirty.flags[DIRTY_FLAGS_LAYER_USE_KINEMATIC_BODIES] || dirty.flags[DIRTY_FLAGS_LAYER_IN_TREE]) {
// Update all cells.
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
_physics_update_cell(kv.value);
}
} else {
// Update dirty cells.
for (SelfList<CellData> *cell_data_list_element = dirty.cell_list.first(); cell_data_list_element; cell_data_list_element = cell_data_list_element->next()) {
CellData &cell_data = *cell_data_list_element->self();
_physics_update_cell(cell_data);
}
}
}
// -----------
// Mark the physics state as up to date.
_physics_was_cleaned_up = forced_cleanup;
}
void TileMapLayer::_physics_notification(int p_what) {
const Ref<TileSet> &tile_set = get_effective_tile_set();
Transform2D gl_transform = get_global_transform();
PhysicsServer2D *ps = PhysicsServer2D::get_singleton();
switch (p_what) {
case NOTIFICATION_TRANSFORM_CHANGED:
// Move the collisison shapes along with the TileMap.
if (is_inside_tree() && tile_set.is_valid()) {
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
const CellData &cell_data = kv.value;
for (RID body : cell_data.bodies) {
if (body.is_valid()) {
Transform2D xform(0, tile_set->map_to_local(kv.key));
xform = gl_transform * xform;
ps->body_set_state(body, PhysicsServer2D::BODY_STATE_TRANSFORM, xform);
}
}
}
}
break;
case NOTIFICATION_ENTER_TREE:
// Changes in the tree may cause the space to change (e.g. when reparenting to a SubViewport).
if (is_inside_tree()) {
RID space = get_world_2d()->get_space();
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
const CellData &cell_data = kv.value;
for (RID body : cell_data.bodies) {
if (body.is_valid()) {
ps->body_set_space(body, space);
}
}
}
}
}
}
void TileMapLayer::_physics_clear_cell(CellData &r_cell_data) {
PhysicsServer2D *ps = PhysicsServer2D::get_singleton();
// Clear bodies.
for (RID body : r_cell_data.bodies) {
if (body.is_valid()) {
bodies_coords.erase(body);
ps->free(body);
}
}
r_cell_data.bodies.clear();
}
void TileMapLayer::_physics_update_cell(CellData &r_cell_data) {
const Ref<TileSet> &tile_set = get_effective_tile_set();
Transform2D gl_transform = get_global_transform();
RID space = get_world_2d()->get_space();
PhysicsServer2D *ps = PhysicsServer2D::get_singleton();
// Recreate bodies and shapes.
TileMapCell &c = r_cell_data.cell;
TileSetSource *source;
if (tile_set->has_source(c.source_id)) {
source = *tile_set->get_source(c.source_id);
if (source->has_tile(c.get_atlas_coords()) && source->has_alternative_tile(c.get_atlas_coords(), c.alternative_tile)) {
TileSetAtlasSource *atlas_source = Object::cast_to<TileSetAtlasSource>(source);
if (atlas_source) {
const TileData *tile_data;
if (r_cell_data.runtime_tile_data_cache) {
tile_data = r_cell_data.runtime_tile_data_cache;
} else {
tile_data = atlas_source->get_tile_data(c.get_atlas_coords(), c.alternative_tile);
}
// Transform flags.
bool flip_h = (c.alternative_tile & TileSetAtlasSource::TRANSFORM_FLIP_H);
bool flip_v = (c.alternative_tile & TileSetAtlasSource::TRANSFORM_FLIP_V);
bool transpose = (c.alternative_tile & TileSetAtlasSource::TRANSFORM_TRANSPOSE);
// Free unused bodies then resize the bodies array.
for (uint32_t i = tile_set->get_physics_layers_count(); i < r_cell_data.bodies.size(); i++) {
RID &body = r_cell_data.bodies[i];
if (body.is_valid()) {
bodies_coords.erase(body);
ps->free(body);
body = RID();
}
}
r_cell_data.bodies.resize(tile_set->get_physics_layers_count());
for (uint32_t tile_set_physics_layer = 0; tile_set_physics_layer < (uint32_t)tile_set->get_physics_layers_count(); tile_set_physics_layer++) {
Ref<PhysicsMaterial> physics_material = tile_set->get_physics_layer_physics_material(tile_set_physics_layer);
uint32_t physics_layer = tile_set->get_physics_layer_collision_layer(tile_set_physics_layer);
uint32_t physics_mask = tile_set->get_physics_layer_collision_mask(tile_set_physics_layer);
RID body = r_cell_data.bodies[tile_set_physics_layer];
if (tile_data->get_collision_polygons_count(tile_set_physics_layer) == 0) {
// No body needed, free it if it exists.
if (body.is_valid()) {
bodies_coords.erase(body);
ps->free(body);
}
body = RID();
} else {
// Create or update the body.
if (!body.is_valid()) {
body = ps->body_create();
}
bodies_coords[body] = r_cell_data.coords;
ps->body_set_mode(body, use_kinematic_bodies ? PhysicsServer2D::BODY_MODE_KINEMATIC : PhysicsServer2D::BODY_MODE_STATIC);
ps->body_set_space(body, space);
Transform2D xform;
xform.set_origin(tile_set->map_to_local(r_cell_data.coords));
xform = gl_transform * xform;
ps->body_set_state(body, PhysicsServer2D::BODY_STATE_TRANSFORM, xform);
ps->body_attach_object_instance_id(body, tile_map_node ? tile_map_node->get_instance_id() : get_instance_id());
ps->body_set_collision_layer(body, physics_layer);
ps->body_set_collision_mask(body, physics_mask);
ps->body_set_pickable(body, false);
ps->body_set_state(body, PhysicsServer2D::BODY_STATE_LINEAR_VELOCITY, tile_data->get_constant_linear_velocity(tile_set_physics_layer));
ps->body_set_state(body, PhysicsServer2D::BODY_STATE_ANGULAR_VELOCITY, tile_data->get_constant_angular_velocity(tile_set_physics_layer));
if (!physics_material.is_valid()) {
ps->body_set_param(body, PhysicsServer2D::BODY_PARAM_BOUNCE, 0);
ps->body_set_param(body, PhysicsServer2D::BODY_PARAM_FRICTION, 1);
} else {
ps->body_set_param(body, PhysicsServer2D::BODY_PARAM_BOUNCE, physics_material->computed_bounce());
ps->body_set_param(body, PhysicsServer2D::BODY_PARAM_FRICTION, physics_material->computed_friction());
}
// Clear body's shape if needed.
ps->body_clear_shapes(body);
// Add the shapes to the body.
int body_shape_index = 0;
for (int polygon_index = 0; polygon_index < tile_data->get_collision_polygons_count(tile_set_physics_layer); polygon_index++) {
// Iterate over the polygons.
bool one_way_collision = tile_data->is_collision_polygon_one_way(tile_set_physics_layer, polygon_index);
float one_way_collision_margin = tile_data->get_collision_polygon_one_way_margin(tile_set_physics_layer, polygon_index);
int shapes_count = tile_data->get_collision_polygon_shapes_count(tile_set_physics_layer, polygon_index);
for (int shape_index = 0; shape_index < shapes_count; shape_index++) {
// Add decomposed convex shapes.
Ref<ConvexPolygonShape2D> shape = tile_data->get_collision_polygon_shape(tile_set_physics_layer, polygon_index, shape_index, flip_h, flip_v, transpose);
ps->body_add_shape(body, shape->get_rid());
ps->body_set_shape_as_one_way_collision(body, body_shape_index, one_way_collision, one_way_collision_margin);
body_shape_index++;
}
}
}
// Set the body again.
r_cell_data.bodies[tile_set_physics_layer] = body;
}
return;
}
}
}
// If we did not return earlier, clear the cell.
_physics_clear_cell(r_cell_data);
}
#ifdef DEBUG_ENABLED
void TileMapLayer::_physics_draw_cell_debug(const RID &p_canvas_item, const Vector2 &p_quadrant_pos, const CellData &r_cell_data) {
// Draw the debug collision shapes.
const Ref<TileSet> &tile_set = get_effective_tile_set();
ERR_FAIL_COND(!tile_set.is_valid());
if (!get_tree()) {
return;
}
bool show_collision = false;
switch (collision_visibility_mode) {
case TileMapLayer::VISIBILITY_MODE_DEFAULT:
show_collision = !Engine::get_singleton()->is_editor_hint() && get_tree()->is_debugging_collisions_hint();
break;
case TileMapLayer::VISIBILITY_MODE_FORCE_HIDE:
show_collision = false;
break;
case TileMapLayer::VISIBILITY_MODE_FORCE_SHOW:
show_collision = true;
break;
}
if (!show_collision) {
return;
}
RenderingServer *rs = RenderingServer::get_singleton();
PhysicsServer2D *ps = PhysicsServer2D::get_singleton();
Color debug_collision_color = get_tree()->get_debug_collisions_color();
Vector<Color> color;
color.push_back(debug_collision_color);
Transform2D quadrant_to_local(0, p_quadrant_pos);
Transform2D global_to_quadrant = (get_global_transform() * quadrant_to_local).affine_inverse();
for (RID body : r_cell_data.bodies) {
if (body.is_valid()) {
Transform2D body_to_quadrant = global_to_quadrant * Transform2D(ps->body_get_state(body, PhysicsServer2D::BODY_STATE_TRANSFORM));
rs->canvas_item_add_set_transform(p_canvas_item, body_to_quadrant);
for (int shape_index = 0; shape_index < ps->body_get_shape_count(body); shape_index++) {
const RID &shape = ps->body_get_shape(body, shape_index);
const PhysicsServer2D::ShapeType &type = ps->shape_get_type(shape);
if (type == PhysicsServer2D::SHAPE_CONVEX_POLYGON) {
rs->canvas_item_add_polygon(p_canvas_item, ps->shape_get_data(shape), color);
} else {
WARN_PRINT("Wrong shape type for a tile, should be SHAPE_CONVEX_POLYGON.");
}
}
rs->canvas_item_add_set_transform(p_canvas_item, Transform2D());
}
}
};
#endif // DEBUG_ENABLED
/////////////////////////////// Navigation //////////////////////////////////////
void TileMapLayer::_navigation_update() {
ERR_FAIL_NULL(NavigationServer2D::get_singleton());
NavigationServer2D *ns = NavigationServer2D::get_singleton();
const Ref<TileSet> &tile_set = get_effective_tile_set();
// Check if we should cleanup everything.
bool forced_cleanup = in_destructor || !enabled || !navigation_enabled || !is_inside_tree() || !tile_set.is_valid();
// ----------- Layer level processing -----------
// All this processing is kept for compatibility with the TileMap node.
// Otherwise, layers shall use the World2D navigation map or define a custom one with set_navigation_map(...).
if (tile_map_node) {
if (forced_cleanup) {
if (navigation_map_override.is_valid()) {
ns->free(navigation_map_override);
navigation_map_override = RID();
}
} else {
// Update navigation maps.
if (!navigation_map_override.is_valid()) {
if (layer_index_in_tile_map_node > 0) {
// Create a dedicated map for each layer.
RID new_layer_map = ns->map_create();
// Set the default NavigationPolygon cell_size on the new map as a mismatch causes an error.
ns->map_set_cell_size(new_layer_map, 1.0);
ns->map_set_active(new_layer_map, true);
navigation_map_override = new_layer_map;
}
}
}
}
// ----------- Navigation regions processing -----------
if (forced_cleanup) {
// Clean everything.
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
_navigation_clear_cell(kv.value);
}
} else {
if (_navigation_was_cleaned_up || dirty.flags[DIRTY_FLAGS_LAYER_GROUP_TILE_SET] || dirty.flags[DIRTY_FLAGS_LAYER_IN_TREE] || dirty.flags[DIRTY_FLAGS_LAYER_NAVIGATION_MAP]) {
// Update all cells.
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
_navigation_update_cell(kv.value);
}
} else {
// Update dirty cells.
for (SelfList<CellData> *cell_data_list_element = dirty.cell_list.first(); cell_data_list_element; cell_data_list_element = cell_data_list_element->next()) {
CellData &cell_data = *cell_data_list_element->self();
_navigation_update_cell(cell_data);
}
}
}
// -----------
// Mark the navigation state as up to date.
_navigation_was_cleaned_up = forced_cleanup;
}
void TileMapLayer::_navigation_notification(int p_what) {
const Ref<TileSet> &tile_set = get_effective_tile_set();
if (p_what == NOTIFICATION_TRANSFORM_CHANGED) {
if (tile_set.is_valid()) {
Transform2D tilemap_xform = get_global_transform();
for (KeyValue<Vector2i, CellData> &kv : tile_map) {
const CellData &cell_data = kv.value;
// Update navigation regions transform.
for (const RID ®ion : cell_data.navigation_regions) {
if (!region.is_valid()) {
continue;
}